According to his death certificate he was aged 86 years.
NSW BDM Index: Marriage Register V1842725 26C/1842: WILKINS, JOHN, male and LENNON, HANNAH, female (Note HANNAH vs JOHANNA)
Register: Church of England Marriages solemnized in the Parish of Penrith in the County of Cumberland, New South Wales, in the year 1842
Date of Marriage: 19/7/1842
Place of Marriage: Church of England , Parish of Penrith
Married by Banns with consent of the Governor
Groom: John Wilkins
Status: Batchelor
Usual Residence: This Parish
Bride: Hannah Lennon
Status: Spinster
Usual Residence: This Parish
Witnesses: Edwin Jones of Penrith; Mary Ann Jackson of Penrith
Minister: R K Sconce
Religion: Church of England
1172
NSW BDM Index: Marriage Register V1842725 26C/1842: WILKINS, JOHN, male and LENNON, HANNAH, female at MW